/* ========================================================================
 * PROJECT: FTIR Blob Tracker
 * ========================================================================
 * This work is based on the original FTIR Blob Tracker developed by
 *   Woonhyuk Baek
 *   Woontack Woo
 *   U-VR Lab, GIST of Gwangju in Korea.
 *   
 *   http://uvr.gist.ac.kr/
 *
 * Copyright of the derived and new portions of this work
 *     (C) 2009 GIST U-VR Lab.
 *
 * This framework is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This framework is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this framework; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * For further information please contact 
 *   Woonhyuk Baek
 *   <windage@live.com>
 *   GIST U-VR Lab.
 *   Department of Information and Communication
 *   Gwangju Institute of Science and Technology
 *   1, Oryong-dong, Buk-gu, Gwangju
 *   South Korea
 * ========================================================================
 ** @author   Woonhyuk Baek
 * ======================================================================== */

#ifndef FILTER_H
#define FILTER_H

#include <string>
#include <cv.h>

const int DEFAULT_WIDTH = 320;
const int DEFAULT_HEIGHT = 240;
const int DEFAULT_DEPTH = IPL_DEPTH_32F;

class Filter
{
public:
	enum FILTER_PARAMETER_TYPE
	{
		SMOOTHNESS = 1,
		HIGH_PASS_BLUR,
		HIGH_PASS_NOISE,
		HIGH_PASS_AMPLIFY,
		BINALIZE_THRESHOLD,
		DILATE_STEP,
	};
public:
	// don't create it!
	IplImage* inputImage;
	IplImage* outputImage;

	int width;
	int height;
	int depth;

	Filter(int width=DEFAULT_WIDTH, int height=DEFAULT_HEIGHT, int depth=DEFAULT_DEPTH)
	{
		this->width = width;
		this->height = height;
		this->depth = depth;
	}

	virtual int Do() = 0;
	virtual int SetParameter(FILTER_PARAMETER_TYPE type, double value) = 0;
	virtual std::string GetName()=0;

	inline void SetInputImage(IplImage* input)
	{
		this->inputImage = input;
	}
	inline void SetOutputImage(IplImage* output)
	{
		this->outputImage = output;
	}
	inline IplImage* GetOutputImage()
	{
		return this->outputImage;
	}
};

#endif